CN106018899A - Infrared wake-up intelligent electric meter processing method - Google Patents
Infrared wake-up intelligent electric meter processing method Download PDFInfo
- Publication number
- CN106018899A CN106018899A CN201610548366.1A CN201610548366A CN106018899A CN 106018899 A CN106018899 A CN 106018899A CN 201610548366 A CN201610548366 A CN 201610548366A CN 106018899 A CN106018899 A CN 106018899A
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- Prior art keywords
- wake
- infrared
- micro
- control unit
- intelligent electric
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
Abstract
The invention provides an infrared wake-up intelligent electric meter processing method which belongs to the field of electrical equipment. The method comprises the steps that a wake-up circuit sends a wake-up signal to a micro-control unit to wake up a micro-control unit in low power consumption state; the woken micro-control unit receives a key value in infrared data through an infrared receiving circuit; and based on the comparison of the key value with a previously stored standard value, whether a liquid crystal display screen is lightened or not is judged. A used external interruption wake-up mechanism has lower power consumption than timing wake-up in the prior art. Low level of an infrared receiver pin is not simply determined, so that an intelligent electric meter is prevented from mistaken wake-up under the interference of light. The service life of a battery in the intelligent electric meter is extended.
Description
Technical field
The invention belongs to field of electrical equipment, particularly to the infrared processing method waking up intelligent electric meter up.
Background technology
Along with electric power industry development and the input construction of country's intelligent grid in recent years, intelligent electric meter is at Intelligent electric
The application that net is built is the hugest, and intelligent electric meter is safe and reliable and low power operation is the most aobvious important.
The functional requirement of intelligent electric meter is required for wake up intelligent electric meter up with infrared mode when having a power failure stopping to facilitate
Liquid crystal display or the function of infrared communication copy reading intelligent electric meter data can be passed through in the case of electricity.MCU is every 2
Second wakes up from low-power consumption mode and opens infrared receiving circuit, it is judged that whether have low electricity on infrared receiver pin
Put down and carry out suitable filtering and judge whether to wake up liquid crystal display up, the merit of intelligent electric meter can be increased the most undoubtedly
Consumption, the service life of battery in reduction intelligent electric meter.
Summary of the invention
In order to solve shortcoming and defect present in prior art, present invention provide for reducing intelligent electric meter
The processing method of power consumption.
In order to reach above-mentioned technical purpose, the invention provides the infrared processing method waking up intelligent electric meter up, intelligence
Ammeter can be provided with micro-control unit, micro-control unit and wake-up circuit, infrared receiving circuit and liquid crystal
Display screen electrically connects, and the treating method comprises:
When wake-up circuit receives infrared wake-up signal, send wake-up signal to micro-control unit, by micro-control
Unit processed wakes up up from low power consumpting state；
Micro-control unit after waking up up sends data reception signal to infrared receiving circuit, makes infrared receiving circuit
Receive infrared data, extract the key value in infrared data, key value is carried out with the standard value prestored
Contrast；
If key value is consistent with standard value, micro-control unit sends power on signal to liquid crystal display module,
Point brightness liquid crystal display screen.
Optionally, if key value is inconsistent with standard value, micro-control unit is made to enter low power consumpting state.
Optionally, described wake-up circuit includes external interrupt pin and and the external interrupt of micro-control unit
The photosensitive reception audion of pin electrical connection.
Optionally, described infrared wake-up signal is that high level is to low level conversion signal.
Optionally, described infrared data is the numeral of three bytes.
The technical scheme that the present invention provides has the benefit that
Cross the mechanism that have employed external interrupt wakeup, it is possible to realize more than the mode of timing wake-up in prior art
Low power consumption.Simultaneously because be not only to judge the low level on infrared receiver pin simply, therefore at light
Interference under intelligent electric meter also will not false wake-up.Thus extend the service life of battery in intelligent electric meter.
Accompanying drawing explanation
In order to be illustrated more clearly that technical scheme, required use in embodiment being described below
Accompanying drawing be briefly described, it should be apparent that, the accompanying drawing in describing below is only that some of the present invention are real
Execute example, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to
Other accompanying drawing is obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of the infrared processing method waking up intelligent electric meter up that the present invention provides.
Detailed description of the invention
Structure and advantage for making the present invention are clearer, below in conjunction with accompanying drawing the structure of the present invention made into
One step ground describes.
Embodiment one
The invention provides the infrared processing method waking up intelligent electric meter up, intelligent electric meter be provided with micro-control unit,
Micro-control unit electrically connects with wake-up circuit, infrared receiving circuit and LCDs, as it is shown in figure 1,
The treating method comprises:
11, when wake-up circuit receives infrared wake-up signal, wake-up signal is sent to micro-control unit, will
Micro-control unit wakes up up from low power consumpting state.
12, the micro-control unit after waking up up sends data reception signal to infrared receiving circuit, makes infrared receiver
Circuit receives infrared data, extracts the key value in infrared data, by key value and the standard value prestored
Contrast.
If 13 key values are consistent with standard value, micro-control unit sends energising letter to liquid crystal display module
Number, put brightness liquid crystal display screen.
In force, in order to solve the defect during intelligent electric meter wakes up mechanism up in prior art, the present invention proposes
The infrared processing method waking up intelligent electric meter up, is provided with and micro-control unit in intelligent electric meter
Wake-up circuit, infrared receiving circuit and the liquid crystal display that (Microcontroller Unit, MCU) electrically connects
Screen.Wake-up circuit wakes up micro-control unit by the way of external interrupt up, and then makes the microcontroller list after waking up up
Unit controls infrared receiving circuit and receives infrared data, determines whether to light liquid crystal display screen according to infrared data.Due to
Have employed the mechanism of external interrupt wakeup, therefore, it is possible to realize than the mode regularly waken up up for 2 seconds in prior art
Lower power consumption.
Based on treatment method, micro-control unit is opened infrared waking up up without the most regularly waking up and is received circuit
Determine whether infrared wake-up signal.When the external world does not has wake-up signal, the power consumption of whole intelligent electric meter is 40
Below Wei An.And traditional treatment method does not has in the external world during wake-up signal to open reception circuit every 2 seconds
Time be 30 milliseconds, power consumption is at about 3 milliamperes, and the average power consumption of remaining 1970 milliseconds is 40 milliamperes.
The average power consumption calculated is 168.8 microamperes.Two Data Comparison low power consumption and high reliability are infrared wakes up Intelligent electric up
The software processing method of table can save the power consumption of 3/4ths.
Further, owing to treatment method is not only to judge the low level on infrared receiver pin simply,
So daylight lamp, electric filament lamp interference under intelligent electric meter also will not false wake-up.Therefore reduce and call out through constant error
The awake defect causing intelligent electric meter power consumption to increase.
Optionally, if key value is inconsistent with standard value, micro-control unit is made to enter low power consumpting state.
In force, on the premise of key value and standard value are inconsistent, then micro-control unit is made to enter low merit
Consumption state, in order to extend the service life of battery in intelligent electric meter.
Optionally, described wake-up circuit includes external interrupt pin and and the external interrupt of micro-control unit
The photosensitive reception audion of pin electrical connection.
In force, micro-control unit external interrupt pin and be made up of pivot device photosensitive reception audion
Wake-up circuit is connected, when there being infrared wake-up signal on wake-up circuit, and the external interrupt pin of micro-control unit
Corresponding trailing edge can be produced thus wake up the micro-control unit being under low-power consumption mode up.
Optionally, described infrared wake-up signal is that high level is to low level conversion signal.
In force, micro-control unit can be every a machine cycle, the electricity on pin of detection automatically
Pressure.Current one-time detection is high level, after the most but detect low level, micro-control unit, be considered as
It is to have received a trailing edge.Trailing edge in micro-control unit must have a high level, have one low
Level.High level, low level persistent period, it is necessary to more than machine cycle, otherwise a microcontroller list
Unit just can't detect.
Optionally, described infrared data is the numeral of three bytes.
In force, micro-control unit need not receive a complete DL/T 645-2007 read command
Judge whether infrared to wake up intelligent electric meter up, it is only necessary to judge whether the data received are " 68 11 04 " three
Individual byte is it may determine that go out the need of waking up intelligent electric meter up.One 645 complete stipulations read command frame lattice
Formula is as follows: 68 A0...A5 68 11 04 DI0...DI3 CS 16H at least 16 bytes.One word
Joint comprises 1 start bit, 8 data bit, 1 check bit sum 1 stop position.With infrared 1200bps's
Baud rate, light accepts these frame data needs at least 128 milliseconds.If simply judging that the data received are
It not " 68 11 04 ", just have only to receive 3 bytes.Infrared wake up the process most of the time of liquid crystal up all
Flower accepts in data infrared, and being taken time that other judge accounts for very small part, at the most such software
Reason method at least can reduce by the power consumption of original 2/3rds.
The present invention proposes the infrared processing method waking up intelligent electric meter up, including when wake-up circuit is to microcontroller list
Unit sends wake-up signal, wakes up up and is in low power consumpting state micro-control unit.Micro-control unit after waking up up passes through
Infrared receiving circuit receives the key value in infrared data, based on key value and the standard value prestored right
A brightness liquid crystal display screen was determined whether than handing over.By have employed the mechanism of external interrupt wakeup, it is possible to than existing
The mode of timing wake-up in technology is had to realize lower power consumption.Simultaneously because be not only to judge infrared connecing simply
Low level on closed tube foot, therefore under the interference of light, intelligent electric meter also will not false wake-up.Thus extend
The service life of battery in intelligent electric meter.
Each sequence number in above-described embodiment, just to describing, does not represent assembling or the use process of each parts
In sequencing.
The foregoing is only embodiments of the invention, not in order to limit the present invention, all spirit in the present invention
Within principle, any modification, equivalent substitution and improvement etc. made, should be included in the protection of the present invention
Within the scope of.
Claims (5)
- The most infrared processing method waking up intelligent electric meter up, it is characterised in that be provided with microcontroller list in intelligent electric meter Unit, micro-control unit electrically connects with wake-up circuit, infrared receiving circuit and LCDs, described process Method includes:When wake-up circuit receives infrared wake-up signal, send wake-up signal to micro-control unit, by micro-control Unit processed wakes up up from low power consumpting state；Micro-control unit after waking up up sends data reception signal to infrared receiving circuit, makes infrared receiving circuit Receive infrared data, extract the key value in infrared data, key value is carried out with the standard value prestored Contrast；If key value is consistent with standard value, micro-control unit sends power on signal to liquid crystal display module, Point brightness liquid crystal display screen.
- The infrared processing method waking up intelligent electric meter up the most according to claim 1, it is characterised in that:If key value is inconsistent with standard value, micro-control unit is made to enter low power consumpting state.
- The infrared processing method waking up intelligent electric meter up the most according to claim 1, it is characterised in that:Described wake-up circuit includes the external interrupt pin of micro-control unit and is electrically connected with external interrupt pin The photosensitive reception audion connect.
- The infrared processing method waking up intelligent electric meter up the most according to claim 1, it is characterised in that institute Stating infrared wake-up signal is that high level is to low level conversion signal.
- 5., according to the infrared processing method waking up intelligent electric meter up described in any one of Claims 1-4, it is special Levying and be, described infrared data is the numeral of three bytes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610548366.1A CN106018899A (en) | 2016-07-08 | 2016-07-08 | Infrared wake-up intelligent electric meter processing method |
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| CN201610548366.1A CN106018899A (en) | 2016-07-08 | 2016-07-08 | Infrared wake-up intelligent electric meter processing method |
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| CN201610548366.1A Pending CN106018899A (en) | 2016-07-08 | 2016-07-08 | Infrared wake-up intelligent electric meter processing method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106603425A (en) * | 2016-12-27 | 2017-04-26 | 上海斐讯数据通信技术有限公司 | Router and state control method thereof |
| CN108260072A (en) * | 2017-09-05 | 2018-07-06 | 深圳市盛路物联通讯技术有限公司 | A kind of Internet of Things approaches to IM and system based on antenna transmission |
| CN109743807A (en) * | 2018-12-07 | 2019-05-10 | 深圳市晟碟半导体有限公司 | A kind of jamproof infrared dimming control system and infrared dimming controlling method |
| WO2019184362A1 (en) * | 2018-03-28 | 2019-10-03 | 深圳市道通智能航空技术有限公司 | Activation system for electric meter and electronic device |
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| CN108260072A (en) * | 2017-09-05 | 2018-07-06 | 深圳市盛路物联通讯技术有限公司 | A kind of Internet of Things approaches to IM and system based on antenna transmission |
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| CN109743807A (en) * | 2018-12-07 | 2019-05-10 | 深圳市晟碟半导体有限公司 | A kind of jamproof infrared dimming control system and infrared dimming controlling method |
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Application publication date: 20161012 |
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